<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
<script>
let uanme = prompt('请输入您的姓名')
let age = prompt('请输入您的年龄')
let gender = prompt('请输入您的性别')
document.write('您的姓名是：'+ uanme +'<br>')
document.write('您的年龄是:' + age + '<br>')
document.write('您的性别是：' + gender)
</script>
</html>